{"id":"PUB-A-238083570","details":"In parseParamsBlob of types.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-238083570","CVE-2022-20542"],"modified":"2026-09-18T15:47:37.392928379Z","published":"2023-03-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-03-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/av/+/1f59b3e32a06666f590042c761546dbfa80df932"}],"affected":[{"package":{"name":"platform/frameworks/av","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-03-01"}]}],"versions":["13"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/av/+/1f59b3e32a06666f590042c761546dbfa80df932"],"severity":"Moderate","spl":"2023-03-01","types":["EoP"],"vanir_signatures":[{"id":"PUB-A-238083570-6500d898","match_only_versions":["13"],"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/av/+/1f59b3e32a06666f590042c761546dbfa80df932","target":{"file":"media/codec2/hidl/1.0/utils/types.cpp","function":"parseParamsBlob"},"deprecated":false,"digest":{"function_hash":"252502464064434233495811951658030999305","length":481}},{"source":"https://android.googlesource.com/platform/frameworks/av/+/1f59b3e32a06666f590042c761546dbfa80df932","target":{"file":"media/codec2/hidl/1.0/utils/types.cpp"},"deprecated":false,"digest":{"line_hashes":["187384034938616907142588961231010095845","123902100531512324080830392597044018823","162078438064874198275533356012704469955","73966707457518485861012062630462529335","337231762992019579061714404053651099515","75842530102443661316210944975280739288","85990540839383729694221733510102659370","203557918256241259412526865779308668877","4757882590155588469858335792248449012","285436997933295092510802401065878285350"],"threshold":0.9},"id":"PUB-A-238083570-d7fd1e74","match_only_versions":["13"],"signature_type":"Line","signature_version":"v1"}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-238083570.json"}}],"schema_version":"1.9.0"}